Language and cultural evolution
External reference: https://openalex.org/T12090
- Human cooperation declined in punctuated steps over time
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Ancient DNA shows widespread selection across West Eurasia
Ancient DNA analysis of 15,836 West Eurasian genomes reveals pervasive directional selection across hundreds of alleles over the past ten millennia, with measured effects on complex traits.
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Aurignacian signs were deliberate and conventional
Research reveals that early modern humans 40,000 years ago used systematic geometric sign systems on Aurignacian artifacts, demonstrating proto-writing complexity comparable to later writing systems.

